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The three-way acoustic system "AS 40-8" was bundled with the radio station "Victoria 001" and was produced from 1972 by the Riga Radio Plant named after A. Popov. Since 1973, the AU was called as "8ÐС-2". Both speakers are identical. Type of design AS: "closed box". The total electrical resistance at 1 kHz is 8 ohms. The average standard sound pressure is 0.2 Pa. The nominal frequency range is 40 ... 16000 Hz, with non-uniformity of 16 dB. Dynamics: 8GD-1 (LF) 8 Ohm, frequency range 40 ... 1000 Hz (main resonance frequency 25 Hz), 4GD-6 (MF), 8 Ohm, frequency range 200 ... 5000 Hz (main resonance frequency 160 Hz). ZGD-2 (HF), 16 Ohm, frequency range 5000 ... 16000 Hz (main resonance frequency 4500 Hz). Dimensions of one case 675x350x270 mm. The volume of the box is 49.5 l.